Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation and Summary of Significant Accounting Policies - Narrative (Details)

v3.21.2
Basis of Presentation and Summary of Significant Accounting Policies - Narrative (Details)
3 Months Ended 6 Months Ended
Jun. 30, 2021
USD ($)
position
$ / shares
shares
Jun. 30, 2020
USD ($)
shares
Jun. 30, 2021
USD ($)
position
$ / shares
shares
Jun. 30, 2020
USD ($)
shares
Jan. 01, 2020
USD ($)
Property, Plant and Equipment [Line Items]          
Revenue recognized from milestone method revenue $ 10,300,000 $ 2,000,000.0 $ 16,100,000 $ 2,400,000  
Warrants outstanding (shares) | shares 0   0    
Number of positions in an unrealized loss position | position 7   7    
Credit losses related to available-for-sale debt securities $ 0   $ 0    
Additional allowance for credit losses recorded related to COVID-19 40,000.00   100,000    
Advances on inventory purchases 50,200,000   50,200,000    
Credits applied on advances on inventory purchases $ 15,800,000   $ 15,800,000    
Allowance for credit loss         $ 5,500,000
Potentially dilutive shares excluded from calculation due to anti-dilutive effect (in shares) | shares 5,087,000 7,832,000 4,684,000 8,988,000  
Share-based Compensation          
Property, Plant and Equipment [Line Items]          
Potentially dilutive shares excluded from calculation due to anti-dilutive effect (in shares) | shares       600,000  
Restricted Stock Awards          
Property, Plant and Equipment [Line Items]          
Performance period for awards     3 years    
Royalty Agreements | Aziyo          
Property, Plant and Equipment [Line Items]          
Effective interest rate for forecasted cash flows (as a percent)     23.00%    
Royalty Agreements | Selexis          
Property, Plant and Equipment [Line Items]          
Effective interest rate for forecasted cash flows (as a percent)     21.00%    
Maximum | Restricted Stock Awards          
Property, Plant and Equipment [Line Items]          
Payout range (as a percent)     200.00%    
Minimum | Restricted Stock Awards          
Property, Plant and Equipment [Line Items]          
Payout range (as a percent)     0.00%    
Viking Therapeutics, Inc.          
Property, Plant and Equipment [Line Items]          
Warrant exercise price (USD per share) | $ / shares $ 1.50   $ 1.50    
Viking Therapeutics, Inc. | Maximum          
Property, Plant and Equipment [Line Items]          
Outstanding warrants to purchase shares of Viking's common stock (shares) | shares 1,500,000   1,500,000